Leslie marsh perrott



L. M. PERROTL REINFORCING MEMBER OF CONCRETE BUILDING comsmucnousm APPLICATION FILED MAYT, 1919.

Patented Oct. 14, 1919.

THE coumsm PLANOGRAPH cd., WASHINGTON, n1 c.

LESLIE MARSH PERROTT, OF MELBQUBNE, VICTORIA, AUSTRALIA.

nnmroncme MEMBER or concnnrn BUILDING consrnocrronsg Specification of Letters Patent.

Patented Oct. 1a, 1919,

Application filed May 7, 1919.. Serial No. 295,40

To all whom it may concern.

Be it known that I, LESLIE MARSH PER- RoTT, subject of the King of Great Britain, residing at 2&3 Collins street, Melbourne, in the State of Victoria, Commonwealth of Australia, architect, have invented certain new and useful Improvements in Reinforcing Members of Concrete Building Constructions, of which the following is a specification.

This invention relates to improvements in the reinforcing members of concrete building constructions and refers especially to combined spacing and connecting devices for the reinforcing frames adaptable for the walls of concrete buildings and the like and which are erected prior to the placing in position of the molds or forms for the concrete. 7

It is customary to form the reinforcing frames of concrete constructions of a number of main vertical columns having a number of horizontal members which are secured to each other by keys, bolts or other approved means, the said horizontal members being arranged to support vertical wires, rods or netting.

The object of the present invention is to provide means whereby a plurality of main vertical reinforcing bars can be secured parallel to each other in groups forming vertical columns the said means for securing the said vertical members also accommodating the ends of horizontal reinforcing bars in such a manner that they can be easily and quickly secured at right angles to the main vertical bars forming a joint which will not obstruct the p'ouringof the concrete or necessitate the ramming of the same to insure it'binding effectually around the reinforcing members.

' I accomplish the above mentioned object by providing a combined spacing and connecting device or clip which comprises a band or flat bar metal having loops formed therein to embrace the main vertical bars and hold them at equidistances apart and having two or more loop shaped'members secured theretofor engaging shaped ends formed on the horizontal reinforcing bars.

More particularly the combi-ned spacing and connecting device or clip comprises a rectangular shaped band of wrought bar iron or steel having loops formed at each corner which are adapted to fit tightly around the vertical main bars. The sides of the band are provided with upwardly opening recesses formed in the sides of the band.

In orderthat the invention may be readily-understood reference will now be had to the accompanying sheet of explanatory drawings, wherein Figure 1 is a View in perspective of a concrete wall in course of erection and reinforced with bars secured together by combined spacing and connecting devices constructed in accordance. with the present invention. 1

Fig. 2 is a view in perspective of a combined spacing-and connecting device. 7

Fig. 3 is a view in perspective of the band portion of the combined spacing and connecting device.

Fig. 4 is a view in perspective of the loop shaped members for attachment to the band, one member being shown in full lines and three in broken lines.

Fig. 5 is a view in perspective of the end portion of a horizontal bar.

Fig. 6 is a view in plan, showing a spacing device for supporting the boards for molding the concrete and hereinafter is fully described.

In these drawings the reference letter a designates the rectangular band which is formed by bending and riveting the ends of a piece of fiat bar metal. The corner parts of the band are formed with loops 7) which are shaped by disks, to fit tightly around the main vertical bars 0. The ends of the vertical bars are made slightly tapered to permit of them entering the loops more or 1css readily and when the band is driven into position it is retained in place by the frictional grip of the loops on the said bars. The sides of the band a midway between the loops 1) are formed with upwardly opening recesses 61' which are approximately one third the depth of the said band. The said recesses (Z are adapted to accommodate the neck portions d of-rectangular loop shaped members 6 of flatbar metal having outwardly bent end portions f which are secured by rivets g or the like to the outside of the said band. 'i

and their-contiguous 'portl'onsare riveted together to ,insure. rigidity of construction,

The neck of the loop shaped members 6 are made just sufficiently wide toperm1t of the ends of the horizontal bars 72; passing freely therebet-ween andthe ends of the said bars h are formed with loops 2' which fit snuglyinto the loop shaped members e. j The horizontal bars preferably are formed of angle iron and part of the horizontal flange at each end is removed topermit of I the extensions of the vertical flange being formed into loops c. When the shapedends of the horizontal bars h are inserted in the loop shaped members e they are sup .be arranged to pro]ect beyond the top 01 the ported on the bottom of the recesses d in i the band a and the ends ofit'hehorizontal flanges abut against the sides of the said band. The horizontal bars hare formed with a series of holes j through which may be threaded a plurality of light reinforcing wires 70 or through which wires may be passed to securely fasten wire netting (not shown) orthelike to the main-reinforcing bars. v

In the foregoing description I havedescribed the band a, the loop shaped members 6 and the loops on the endsof the horizontal-bars as being rectangular in shape but it will be obvious that these parts may without difliculty be made circular or be given any other preferred shape without departing. from the spirit and scope of the invention.

The bottom ends of the main vertical bars 0 can be turned outwardly" and riveted to cross plates Z to form a base for supporting the said vertical bars in an uprightposi-tion on a foundation, "m, when the reinforcing frame is being erected. V

The boards n forming the mold for shaping the concrete walls are. secured to the ver- ,means of bolts 0 to theu-pp'er edges of the -.tical members insuch a way that each section of concrete will lie-directly above the section previously poured and vthe walls will thereby be-formed quite vertical and smooth ,The saidboardsmay be of any approved depth and their lower edges are clamped. by

previously poured and partially set section of concrete. The upper edges of the boards a are spaced apart by meanfsof spacing bars p which are shaped to partially embrace one or more of the main verticali bars and in order'to insure theboards remaining in their set position the spacing bars 37' are secured to the said bars bymeans; of a clamping plateg, and bolt r. The clamping plate q is; furnished with recesseswhich partially embrace the verticalbars 0 andthe saidbars V are-gripped tightly between the spacing bar and. the clamping plate 9 by screwing upa winged nut s on; the bolt 1/2,, The ends of the spacing bar are provided with screwed be placed on two, three or four vertical bars to form a column and it may be arranged to receive and hold the ends of two, three or four horizontal bars placed in line with or at right angles to each other. v V

The-upper ends of the vertlcal bars may concrete wall and to pass through holes .formed'in a top plate a to which the r0of-- .ing. rafters are secured in the ordlnary way. I The invention while being partlcularly adaptable for spacing andlconnecting the re inforcing members in concrete building con structions will befound equally eificient for spacing and connecting the reinforcing members employed in forming concrete bridges and other similar constructions.

I claim Q 1. A combined spacing and connecting ,device for the main vertical and horizontal bars of a frame for reinforcing concrete building constructions, comprising a band fitting around and frictionally engaging two orjmore vertical rods, and cooperative interengaging means carried within the band and ioo at the ends of the horizontal bars for connecting the horizontal. bars to the band.

2.'A ,combined spacing" andconne'cting device for the main vertical and horizontal bars of a frame for relnforcmg. concrete building constructions, comprising a rectangular band fittmg around and frictionally engaging four vertical rods, and socket members carried within the band at the corners thereof for engaging shaped ends formed on the horizontalireinforcing bars-.

3. A combined. spacingand. connecting device for the main vertical and horizontal bars of a frame for reinforcing concrete building. constructions, comprising a band having rounded corners, loops formed on the inner faces of the corners for frictionally engaging. two or more vertical bars, and

loop shaped members fitted to the said band for engaging shaped ends on the horizontal reinforcing bars.

4. Acombinedspaoing andconnecting de- 7 v1ce for the mam vertlcal and: ho'rlzontal bars of a .frame for reinforcing concrete llQ building constructions comprising a band having loops formed thereinvats'paced tervals to'frictionally engage two or more -verticalbars and having suitable spacedrecesses therein, "and, loop. shaped? members,

having their neck portions fitted in the recesses in the said band and shaped ends formed on the horizontal reinforcing bars engaged in the recesses.

5. A combined spacing and connecting device for the main vertical and horizontal bars of a frame for reinforcing concrete building constructions, comprising a band having loops for frictionally engaging two or more vertical bars, recesses in the sides of the band, loop shaped members having nar-' 7. In a frame for reinforcing concretebuilding constructions the combination with a plurality of main vertical and horizontal bars of, a band fitting around and having loops frictionally engaging two or more ver tical bars, recesses in the sides of the bands, loop shaped members fitted to the band and having narrow neck portions engaged by the recesses therein, and shaped ends on the horizontal bars adapted to fit snugly into the loop shaped members and rest upon the bottom of the recesses in the sides of the said band.

8. In a frame for reinforcing concrete building constructions the combination with a plurality of vertical and horizontal main bars of, a band fitting around and having loops friction-ally engaging two or more vertical bars, means on the said band for engaging shaped ends formed on the horizontal bars, a spacing bar shaped to partly embrace two or more vertical bars, a clamping plate shaped to partly embrace the opposite sides of the vertical bars, a bolt for securely fastening the spacing bar and clamping plate to the vertical rods, screwed extensions on the ends of the spacing bar passing through boards for molding the concrete, and nuts on the screwed extensions for fastening the said boards to the spacing bar.

9. In a frame for reinforcing concrete building constructions the combination with a plurality of vertical and horizontal main reinforcing bars of, a band fitting around and having loops frictionally engaging two or more vertical bars, recesses in the sides of the band, loop shaped members fitted to the band and having narrow neck portions engaged by the recesses therein, shaped ends on the horizontal bars adapted to fit snugly into the loop shaped members and rest upon the bottom of the said recesses, a spacing.

bar and clamping plate slidably engaging a pair of vertical bars, a bolt for securely fastening the spacing bar and clamping plate to the said pair of bars, screwed extensions on the ends of the spacing bar adapted to pass through boards for molding the concrete poured around the frame, and means for fastening the board to the said screwed extensions.

In testimony whereof I have afiixed my signature in the presence of two witnesses.

LESLIE MARSH PERROTT.

Witnesses P. M. BORMERUP, WILLIAM A. AsHToN.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. G. 

